Veldhoven 2023 — Knockout U16

📅 31 July - 7 August 2023 · Veldhoven, Netherlands

🔗 Official site: db.worldbridge.org →

3 / 3 phases played

Knockout bracket↑ top

Tournament standings — final placement↑ top

Knockout event — places follow from the bracket: shared places (e.g. 5-8) are teams eliminated in the same phase; an unplayed decider leaves the place shared. Click a team for its players below.

Final placement
PlaceTeam
1POLAND
2USA2
3USA1
4ESTONIA
5-8CHINESE TAIPEI
5-8NORWAY
5-8HUNGARY
5-8CHINA

Cumulative Butler by cross-IMPs. Each round's per-board Butler = mean cross-IMP vs that round's full field (raw / (N−1)), rounded to 0.1. Cumulative = sum of a player's per-board Butler over ALL played rounds ÷ total boards played, rounded to 0.01.

Rounds included so far (3 of 3): R1 R2 R3. Columns QF·1… = each player's Butler total in that stanza (each knockout phase is played in segments); they sum to Total.

Cumulative Butler standings — all players↑ top

PlacePlayerTeamBoardsTotalAvg/bdTrendQual.QF·1QF·2QF·3SF·1SF·2SF·3F·1F·2F·3
1S.Grabala🇵🇱 POLAND84+84.7+1.01Butler per stanza: -38.1 36.3 29.8 3 26.7 27+58.3-38.1··+36.3+29.8·+3.0+26.7+27.0
1J.Luczeczko🇵🇱 POLAND84+84.7+1.01Butler per stanza: -38.1 36.3 29.8 3 26.7 27+58.3-38.1··+36.3+29.8·+3.0+26.7+27.0
3X.Tang🇨🇳 CHINA28+26.4+0.94Butler per stanza: 33.5 -7.1+85.1+33.5-7.1·······
3Z.Zhang🇨🇳 CHINA28+26.4+0.94Butler per stanza: 33.5 -7.1+85.1+33.5-7.1·······
5J.Brekke🇳🇴 NORWAY28+22.3+0.80Butler per stanza: 8 14.3+9.1+8.0+14.3·······
5S.Lillejord🇳🇴 NORWAY28+22.3+0.80Butler per stanza: 8 14.3+9.1+8.0+14.3·······
7A.Chen🇺🇸 USA184+45.3+0.54Butler per stanza: 37.5 16.9 13.1 6.7 22.9 -51.8+219.2+37.5+16.9·+13.1+6.7·+22.9-51.8·
7B.Zhang🇺🇸 USA184+45.3+0.54Butler per stanza: 37.5 16.9 13.1 6.7 22.9 -51.8+219.2+37.5+16.9·+13.1+6.7·+22.9-51.8·
9A.Bukat🇵🇱 POLAND126+62.5+0.50Butler per stanza: 8.8 42.6 4.7 -4 -12.2 17.3 3.4 -23.8 25.7-4.6+8.8+42.6+4.7-4.0-12.2+17.3+3.4-23.8+25.7
9M.Klimiuk🇵🇱 POLAND126+62.5+0.50Butler per stanza: 8.8 42.6 4.7 -4 -12.2 17.3 3.4 -23.8 25.7-4.6+8.8+42.6+4.7-4.0-12.2+17.3+3.4-23.8+25.7
11C.Chen🇺🇸 USA184+41.0+0.49Butler per stanza: 36.3 3.1 30.3 -58.1 22.6 6.8+127.8+36.3+3.1·+30.3-58.1·+22.6+6.8·
11K.Ge🇺🇸 USA184+41.0+0.49Butler per stanza: 36.3 3.1 30.3 -58.1 22.6 6.8+127.8+36.3+3.1·+30.3-58.1·+22.6+6.8·
13E.Xiao🇺🇸 USA184+27.0+0.32Butler per stanza: 23.5 14.3 -9.3 -5.7 -1 5.2+102.8+23.5+14.3·-9.3-5.7·-1.0+5.2·
13J.Xiao🇺🇸 USA184+27.0+0.32Butler per stanza: 23.5 14.3 -9.3 -5.7 -1 5.2+102.8+23.5+14.3·-9.3-5.7·-1.0+5.2·
15A.Pedmanson🇪🇪 ESTONIA126+39.9+0.32Butler per stanza: 10.3 12.4 8.7 4 12.2 -29.8 -22.9 51.8 -6.8+291.6+10.3+12.4+8.7+4.0+12.2-29.8-22.9+51.8-6.8
15J.Vahk🇪🇪 ESTONIA126+39.9+0.32Butler per stanza: 10.3 12.4 8.7 4 12.2 -29.8 -22.9 51.8 -6.8+291.6+10.3+12.4+8.7+4.0+12.2-29.8-22.9+51.8-6.8
17D.Balof🇺🇸 USA2126+39.4+0.31Butler per stanza: -33.5 7.1 20.4 -13.1 58.1 5.7 -3.4 23.8 -25.7-52.6-33.5+7.1+20.4-13.1+58.1+5.7-3.4+23.8-25.7
17E.Derman🇺🇸 USA2126+39.4+0.31Butler per stanza: -33.5 7.1 20.4 -13.1 58.1 5.7 -3.4 23.8 -25.7-52.6-33.5+7.1+20.4-13.1+58.1+5.7-3.4+23.8-25.7
19K.Kisielewski🇵🇱 POLAND42+12.4+0.30Butler per stanza: 48.3 -14.5 -21.4+167.6+48.3-14.5·-21.4·····
19J.Michalski🇵🇱 POLAND42+12.4+0.30Butler per stanza: 48.3 -14.5 -21.4+167.6+48.3-14.5·-21.4·····
21A.Kovacs🇭🇺 HUNGARY42+10.0+0.24Butler per stanza: 38.1 -42.6 14.5+133.7+38.1-42.6+14.5······
21D.Tokes🇭🇺 HUNGARY42+10.0+0.24Butler per stanza: 38.1 -42.6 14.5+133.7+38.1-42.6+14.5······
23S.Allas🇪🇪 ESTONIA126-52.9-0.42Butler per stanza: -8 28.4 -14.3 21.4 -36.3 -17.3 -22.6 1 -5.2-65.0-8.0+28.4-14.3+21.4-36.3-17.3-22.6+1.0-5.2
23E.Orma🇪🇪 ESTONIA126-52.9-0.42Butler per stanza: -8 28.4 -14.3 21.4 -36.3 -17.3 -22.6 1 -5.2-83.6-8.0+28.4-14.3+21.4-36.3-17.3-22.6+1.0-5.2
25B.Biborka🇭🇺 HUNGARY28-13.5-0.48Butler per stanza: -8.8 -4.7+16.9-8.8-4.7·······
25M.Juhasz-Molnar🇭🇺 HUNGARY28-13.5-0.48Butler per stanza: -8.8 -4.7+16.9-8.8-4.7·······
27J.Boge🇺🇸 USA2126-65.0-0.52Butler per stanza: -3.6 9.5 13.5 -30.3 9.3 -6.7 -3 -26.7 -27+162.1-3.6+9.5+13.5-30.3+9.3-6.7-3.0-26.7-27.0
27A.Silverstein🇺🇸 USA2126-65.0-0.52Butler per stanza: -3.6 9.5 13.5 -30.3 9.3 -6.7 -3 -26.7 -27+162.1-3.6+9.5+13.5-30.3+9.3-6.7-3.0-26.7-27.0
29H.Wang🇨🇳 CHINA28-16.8-0.60Butler per stanza: 3.6 -20.4+87.7+3.6-20.4·······
29H.Yu🇨🇳 CHINA28-16.8-0.60Butler per stanza: 3.6 -20.4+87.7+3.6-20.4·······
31K.Austad🇳🇴 NORWAY42-31.4-0.75Butler per stanza: -10.3 -12.4 -8.7+121.9-10.3-12.4-8.7······
31E.Osen🇳🇴 NORWAY42-31.4-0.75Butler per stanza: -10.3 -12.4 -8.7+121.9-10.3-12.4-8.7······
33S.Chen🇨🇳 CHINA28-23.0-0.82Butler per stanza: -9.5 -13.5+146.5-9.5-13.5·······
33Z.Yuan🇨🇳 CHINA28-23.0-0.82Butler per stanza: -9.5 -13.5+146.5-9.5-13.5·······
35D.Chen🇹🇼 CHINESE TAIPEI28-37.8-1.35Butler per stanza: -23.5 -14.3+19.5-23.5-14.3·······
35Z.Lai🇹🇼 CHINESE TAIPEI28-37.8-1.35Butler per stanza: -23.5 -14.3+19.5-23.5-14.3·······
37C.Chan🇹🇼 CHINESE TAIPEI28-40.6-1.45Butler per stanza: -37.5 -3.1+83.2-37.5-3.1·······
37Y.Cheng🇹🇼 CHINESE TAIPEI28-40.6-1.45Butler per stanza: -37.5 -3.1+83.2-37.5-3.1·······
39C.Lu🇹🇼 CHINESE TAIPEI28-53.2-1.90Butler per stanza: -36.3 -16.9+37.9-36.3-16.9·······
39C.Peng🇹🇼 CHINESE TAIPEI28-53.2-1.90Butler per stanza: -36.3 -16.9+37.9-36.3-16.9·······
41I.Mathisen🇳🇴 NORWAY14-28.4-2.03+33.6-28.4········
41M.Moe🇳🇴 NORWAY14-28.4-2.03+33.6-28.4········
43G.Szabo🇭🇺 HUNGARY14-48.3-3.45+98.4-48.3········
43Z.Zabradi🇭🇺 HUNGARY14-48.3-3.45+98.4-48.3········

Player statistics — leaders↑ top

Top 12 in each metric — or, with a team picked as ★ My team, that team’s players. Open the full player-statistics page for every player, sortable by any column — including an opponent-adjusted (strength-of-schedule) Butler. Double-dummy is idealised — the true best play needs all four hands — so read these as tendencies, not verdicts.

#Playervs par
1🇪🇪 A.Pedmanson+1.23
1🇪🇪 J.Vahk+1.23
3🇺🇸 E.Xiao+0.92
3🇺🇸 J.Xiao+0.92
5🇺🇸 A.Chen+0.83
5🇺🇸 B.Zhang+0.83
5🇵🇱 A.Bukat+0.83
5🇵🇱 M.Klimiuk+0.83
9🇺🇸 J.Boge+0.45
9🇺🇸 A.Silverstein+0.45
11🇵🇱 S.Grabala+0.33
11🇵🇱 J.Luczeczko+0.33
Opening leadsfull table →
#Playeron tgt
1🇵🇱 J.Luczeczko100.0%
1🇵🇱 M.Klimiuk100.0%
1🇺🇸 E.Xiao100.0%
1🇺🇸 J.Xiao100.0%
5🇺🇸 D.Balof95.0%
6🇺🇸 E.Derman94.1%
7🇵🇱 A.Bukat90.9%
8🇪🇪 S.Allas83.3%
9🇺🇸 C.Chen78.6%
10🇪🇪 E.Orma77.8%
11🇪🇪 J.Vahk77.4%
12🇺🇸 K.Ge76.5%
Declarer playfull table →
#Playeron tgt
1🇺🇸 A.Silverstein100.0%
2🇪🇪 A.Pedmanson89.5%
3🇵🇱 S.Grabala87.5%
4🇺🇸 C.Chen85.7%
5🇪🇪 J.Vahk85.0%
6🇵🇱 J.Luczeczko81.8%
6🇺🇸 J.Xiao81.8%
8🇺🇸 A.Chen80.0%
9🇵🇱 A.Bukat78.6%
10🇪🇪 E.Orma77.8%
11🇺🇸 J.Boge75.0%
12🇵🇱 M.Klimiuk75.0%
#Playeron tgt
1🇵🇱 A.Bukat96.2%
1🇵🇱 M.Klimiuk96.2%
3🇺🇸 D.Balof89.2%
3🇺🇸 E.Derman89.2%
5🇪🇪 A.Pedmanson84.7%
5🇪🇪 J.Vahk84.7%
7🇺🇸 J.Boge84.4%
7🇺🇸 A.Silverstein84.4%
9🇺🇸 E.Xiao83.3%
9🇺🇸 J.Xiao83.3%
11🇺🇸 C.Chen77.4%
11🇺🇸 K.Ge77.4%
Bidding activityfull table →
#Playeractive
1🇺🇸 E.Xiao51.0%
2🇺🇸 J.Xiao49.6%
3🇺🇸 A.Chen49.4%
4🇺🇸 B.Zhang49.3%
5🇵🇱 J.Luczeczko46.1%
6🇪🇪 J.Vahk46.0%
7🇵🇱 A.Bukat45.8%
8🇺🇸 E.Derman45.6%
9🇪🇪 A.Pedmanson45.5%
10🇺🇸 D.Balof42.9%
11🇵🇱 M.Klimiuk42.9%
12🇪🇪 E.Orma42.1%

Biggest swings — the wildest boards↑ top

Same deal, opposite fortunes: boards where the field’s cross-IMP Butler split the widest. Swing = the best NS result’s Butler minus the best EW result’s, in IMPs; the two columns show those poles (contract, score and Butler). Click a board for its full record.

BoardTablesSwingBest for NSBest for EW
Quarterfinal · Bd 28824.53♥ +50 🇪🇪 ESTONIA (+8.9)5♣x +1700 🇺🇸 USA1 (+15.6)
Quarterfinal · Bd 23824.34♥ +650 🇪🇪 ESTONIA (+11.7)5♦ +600 🇵🇱 POLAND (+12.6)
Quarterfinal · Bd 7824.06♦ +1370 🇺🇸 USA1 (+12.9)4♣ -170 🇺🇸 USA2 (+11.1)
Semifinal · Bd 17424.07♠ +1510 🇺🇸 USA2 (+12.0)4NT -490 🇺🇸 USA2 (+12.0)
Quarterfinal · Bd 31823.43♥ -230 🇺🇸 USA2 (+10.1)6♠ +1460 🇭🇺 HUNGARY (+13.3)
Semifinal · Bd 25423.06♣ +920 🇪🇪 ESTONIA (+11.0)6♣ +50 🇺🇸 USA2 (+12.0)
Quarterfinal · Bd 39821.94♠ +420 🇳🇴 NORWAY (+10.0)3♥x +630 🇺🇸 USA2 (+11.9)
Semifinal · Bd 29421.76♥ +1010 🇺🇸 USA1 (+8.7)7♥ +50 🇪🇪 ESTONIA (+13.0)
Final · Bd 18421.34♥ +50 🇺🇸 USA2 (+13.0)6♥ +980 🇺🇸 USA2 (+8.3)
Final · Bd 29421.36♦ +50 🇵🇱 POLAND (+13.0)6♥ +980 🇵🇱 POLAND (+8.3)
Final · Bd 13420.33NT +630 🇺🇸 USA1 (+15.0)4♥ +650 🇺🇸 USA2 (+5.3)
Final · Bd 14419.74♠x +590 🇪🇪 ESTONIA (+9.0)4♠x +300 🇪🇪 ESTONIA (+10.7)
Semifinal · Bd 9419.44♠ -710 🇺🇸 USA1 (+5.7)6♠x +1660 🇺🇸 USA1 (+13.7)
Semifinal · Bd 20419.34♠ +620 🇺🇸 USA2 (+12.3)2♥ +170 🇵🇱 POLAND (+7.0)